Ingestion of particulate matter, fluid or virus by phagocytosis or pinocytosis; i.e., bringing material into a cell by invagination of its surface membrane, then pinching off the invaginated portion as a vacule.

Type: Term Pronunciation: en′dō-sī-tō′sis Definitions: 1. Internalization of substances from the extracellular environment through the formation of vesicles formed from the plasma membrane. There are two forms: (a) fluid phase (pinocytosis), and (b) receptor mediated.Found on http://www.medilexicon.com/medicaldictionary.php?t=29084

refers to the process in which a cell internally recycles part of its own membrane; for example, neurotransmitter receptors or fused vesicle membrane in the presynaptic nerve terminalFound on http://www.medicalneuroscience.com/ngloss.htm

(en″do-si-to´sis) the uptake by a cell of material from the environment by invagination of the plasma membrane; it includes both phagocytosis and pinocytosis.Found on http://www.encyclo.co.uk/local/21001

(from the article `virus`) ...enclosed not by walls but by a flexible lipoprotein bilayer membrane. Most animal viruses, whether or not they are encased in lipid envelopes, ... [5 related articles]Found on http://www.britannica.com/eb/a-z/e/29

A process whereby cells engulf and take in material that lies outside their cell membranes. Endocytosis involves the formation of a vesicle called an endosome from part of the cell membrane. The food is eventually engulfed into the vesicle, which then moves further into the cell where it meets a lys...Found on http://www.daviddarling.info/encyclopedia/E/endocytosis.html

endocytosis (en"dōsītō'sus) , in biology, process by which substances are taken into the cell. When the cell membrane comes into contact with a suitable food, a portion of the cell cytoplasm surges forward to meet and surround the material and a depression forms within the ...Found on http://www.infoplease.com/ce6/sci/A0817330.html

Endocytosis is an energy-using process by which cells absorb molecules (such as proteins) by engulfing them. It is used by all cells of the body because most substances important to them are large polar molecules that cannot pass through the hydrophobic plasma or cell membrane. The opposite process is exocytosis. ...Found on http://en.wikipedia.org/wiki/Endocytosis

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